seal roll meaning in English

密封辊

The gripper unit , driven by a servo motor , has a sealed rolling bearing on it as the passive orientation wheel . synchronous belt drive , gear drive and direct motor drive with protection are adopted in the design of the three joints of the arm unit . gear drive is also adopted in the wheel unit , aiming to produce the eccentricity of the wheel unit and also to magnify the torque
手爪模块由一个舵机驱动实现,采用一个密封轴承作为被动导向轮;操作臂模块三个关节分别采用同步带轮传动、齿轮传动和保护措施下的舵机直接传动,车轮模块采用一级齿轮传动来实现车轮模块的偏心以及力矩的增大。